package JavaUtils.test_socket.demo03;

import java.io.*;
import java.net.Inet4Address;
import java.net.InetSocketAddress;
import java.net.Socket;
 
/**
 * 客户端
 */
public class Client {
    public static void main(String[] args) throws IOException{
//        Socket socket = new Socket();
        Socket socket = new Socket("127.0.0.1", 8050);
        // 超时时间
        socket.setSoTimeout(3000);
 
        // 连接本地，端口2000；超时时间3s
        socket.connect(new InetSocketAddress(Inet4Address.getLocalHost(), 8060), 3000);
 
        System.out.println("已发起服务器连接，并进入后续流程");
        System.out.println("客户端信息：" + socket.getLocalAddress() + "，port:" + socket.getLocalPort());
        System.out.println("服务端信息：" + socket.getInetAddress() + "，port:" + socket.getPort());
 
        try {
            todo(socket);
        } catch(Exception e) {
            System.out.println("异常关闭");
        }
 
        socket.close();
        System.out.println("客户端已退出~");
    }
 
    private static void todo(Socket socket) throws IOException {
        // 构建键盘输入流
        InputStream in = System.in;
        BufferedReader input = new BufferedReader(new InputStreamReader(in));
 
        // 得到socket输出流，并转换为打印流
        OutputStream outputStream = socket.getOutputStream();
        PrintStream socketPrintStream = new PrintStream(outputStream);
 
        // 得到socket输入流，并转换为BufferedReader
        InputStream inputStream = socket.getInputStream();
        BufferedReader socketBufferedReader = new BufferedReader(new InputStreamReader(inputStream));
 
        boolean flag = true;
        do {
            // 键盘读取一行
            String str = input.readLine();
            // 发送到服务器
            socketPrintStream.println(str);
 
            // 从服务器读取一行
            String echo = socketBufferedReader.readLine();
            if ("bye".equalsIgnoreCase(echo)) {
                flag = false;
            } else {
                System.out.println(echo);
            }
        } while (flag);
 
        // 资源释放
        socketBufferedReader.close();
        socketPrintStream.close();
    }
}